| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 770 x 700 x 1240 mm | |
|---|---|---|
| Seat width | 580 mm | |
| Seat depth | 500 mm | |
| Seat height (adjustable range max) | 530 mm | |
| Seat cushion thickness | 130 mm | |
| Backrest height | 800 mm | |
| Chrome five-star base radius | 350 mm | |
| Retractable footrest extension length | 420 mm | |
| Footrest surface size | 345 x 245 mm | |
| Armrest height from seat | 220 mm | |
| Caster diameter | 50 mm | |
| Integrated lumbar cushion thickness | 80 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended user weight capacity | 227 kg | |
|---|---|---|
| Product net weight | 20 kg | |
| Seat foam density | 30 kg/m³ | |
| Foam rebound rate | 55% | |
| Upholstery abrasion resistance | 200000 cycles | |
| Five-star base static load rating | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Seam stitch pitch | 8 stitches per inch | |
| Warranty period | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | 1.2mm thick grey PU leather | |
|---|---|---|
| Seat core padding | High-density polyurethane foam | |
| Backrest padding | Layered high-resilience foam with integrated lumbar cushion | |
| Five-star base | 1.5mm thick chrome-plated polished steel | |
| Armrest structure | Padded PU leather over rigid plywood inner frame | |
| Caster wheels | Dual-wheel soft PU tread with polypropylene inner hub | |
| Internal support frame | 20mm diameter tubular steel frame | |
| Internal structural panels | 18mm high-density fiberboard | |
| Recline control lever | Chrome-finish metal lever with plastic housing | |
| Gas lift cylinder | Class 4 steel pneumatic cylinder | |
| Retractable footrest | Chrome-plated steel frame with padded PU leather top | |
| Side decorative accent | Dark brown synthetic leather panel with yellow accent dot |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation enabled by central gas lift and base joint | |
|---|---|---|
| Pneumatic seat height adjustment | 80mm vertical travel via under-seat lever | |
| Recline backrest function | 150-degree maximum tilt from upright position | |
| Recline tension adjustment | User-adjustable tension knob to match user weight | |
| Recline lock function | Infinite position lock between upright and maximum recline | |
| Retractable footrest operation | Slide-out extension from under front seat, locks in extended position | |
| Dual-wheel caster mobility | Smooth rolling on hard floors and low-pile carpet | |
| Fixed padded armrest support | Stationary armrests positioned for seated elbow rest | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Executive private office use | High-back support and recline function suit long-duration executive work | |
|---|---|---|
| Home office workstation setup | Neutral grey finish and comfort features suit premium home workspaces | |
| Manager meeting rooms | Professional appearance supports formal meeting and discussion spaces | |
| Reclining rest breaks | Retractable footrest and 150-degree recline support short rest periods during workdays | |
| Hard floor office environments | Soft PU casters prevent scratches on marble, tile and wood flooring | |
| User weight range up to 227kg | Heavy-duty construction supports a wide range of body types | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applies to office chair dimensional, safety and strength requirements for work seating | |
|---|---|---|
| EN 1335-2:2018 | Applies to mechanical safety performance test methods for office task chairs | |
| EN 1335-3:2021 | Applies to stability and structural durability testing for office seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety, durability and structural performance standards |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture dimensional accuracy and stability requirements for desk chairs | |
|---|---|---|
| GB/T 22792.1-2009 | Applies to office chair strength, durability and stability general safety requirements |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture dimensional accuracy and stability requirements for desk chairs; 2. GB/T 22792.1-2009: Applies to office chair strength, durability and stability general safety requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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